Stainless Steel Tags Information

Product & Process info - Stainless Steel

Our laser marking leaves a permanent high contrast black mark on stainless steel by using a process of laser welding on ceramic type material to the face of the nameplate or panel.

Test results are shown below:-

Laser marks were made on type 304 stainless steel tags using a CO2 Laser.

Tags were totally immersed in the test solutions.

Exposure Time        
Organic Solvents 1 Hour 12 Hours 24 Hours 1 Week
Gasoline No effect No effect No effect No effect
Limonene No effect No effect No effect No effect
Methyl Ethyl Ketone No effect No effect No effect No effect
N-Butanol No effect No effect No effect No effect
Mineral Spirits No effect No effect No effect No effect
Xylene No effect No effect No effect No effect
Acetone No effect No effect No effect No effect
Propylene Carbonate No effect No effect No effect No effect
Ethanol No effect No effect No effect No effect
DMSO No effect No effect No effect No effect
Motor Oil No effect No effect No effect No effect
         
Acid/Bases        
Hydrochloric Acid 35% No effect No effect See notes below
Nitric Acid 68% No effect No effect No effect No effect
Sulfuric Acid (conc.) No effect No effect No effect No effect
Acetic Acid 99.5% No effect No effect No effect No effect
Hydrogrn Peroxide 30% No effect No effect No effect No effect
Sodium Hydroxide 25% No effect No effect No effect No effect
Ammonium Hydroxide 20% No effect No effect No effect No effect
         
Other        
Boiling H2O Soaked in boiling water for 1 hr. - no effect
LN2 (Cold) Dipped in liquid nitrogen - no effect
Flame (Hot) Heated in propane flame until cherry red - metal
Hot/Cold Cycling Marks heated red hot and immediately plunged in liquid nitrogen
   
Notes:  
Hydrochloric acid testing: - Acid dissolves the steel tag and was not run over 12 hrs. long
Sulfuric acid testing: - Acid discolors at approximately 96 hrs., mark appears to be

 

 

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